MMID stands for Mobile Money Identifier, which is a 7-digit unique number issued by State Bank of India (SBI) for its customers on the primary account registered. MMID is required for doing immediate payment service (IMPS), which is an instant electronic transfer of funds through mobile phones. MMID is issued with the purpose of providing safety for mobile transactions and to mitigate the risk of wrong credit.

Here are some key points about MMID in SBI:

• MMID is a 7-digit unique number issued by SBI for its customers on the primary account registered.
• MMID is required for doing immediate payment service (IMPS), which is an instant electronic transfer of funds through mobile phones.
• MMID is issued with the purpose of providing safety for mobile transactions and to mitigate the risk of wrong credit.
• If you hold multiple accounts at SBI, you can apply for a separate MMID number for each account.
• You can get MMID through SMS, SBI ATM, or by visiting the SBI home branch.

In summary, MMID is a unique number issued by SBI for its customers on the primary account registered, which is required for doing immediate payment service (IMPS) and is issued with the purpose of providing safety for mobile transactions and to mitigate the risk of wrong credit.